[00:09:00] 干涉
[00:11:00] conciliatory 善于调解的 one of  the diplomats made a few conciliatory suggestions that helped bring about the truce
[00:22:00] hurdle 障碍
[00:27:00] barrier 栅栏，屏障，障碍 the barrier between the desks give both the workers some privacy
[00:37:00] barricade 障碍物 the students errected a barricade on campus as a protest
[00:46:00] obstacle 障碍
[00:49:00] snag 障碍 the ship stroke a snag near the bank of river
[00:59:00] forestall 预先阻止 bill forestalled a major crisis by taking care of small problems before they became worse
[01:10:00] intercede 调停，求情 whenever i argued with my brother my parents would intercede
[01:19:00] intercept 中途拦截，阻止 john threw the football on susan but bob intercepted it
[01:30:00] intervene 干涉 the brothers wouldn't stop arguing until their mother intervened
[01:40:00] interfere 干涉，干预，妨碍 please stop interfering this is none of your business
[01:50:00] meddle 干预 few people like someone who meddles in the affairs of others
[01:59:00] tamper 干预 the sectrytary tamper the prime minister's schedule
[02:07:00] mediate 调停 the UN is resposible for mediating between two countries which are at war
[02:16:00] balk 妨碍 his plan was balked
[02:22:00] hinder 妨碍 the tall fence hindered the children from going to lake
[02:31:00] hamper 妨碍 the fierce strom hampered our efforts to get to town by sunset
[02:40:00] handicap 妨碍，使不利 a soar thorat handicaped the singer
[02:49:00] incapacitate 使不能 poor health incapacitated him from work all of his life
[02:49:00] prevent 阻碍 his laziness prevented his career
[03:06:00] clog 阻碍 the accident clogged the highway and casued a traffic jam
[03:14:00] stunt 阻碍 the barren enviroment stunt the tree from developing into a big one
[03:25:00] encumber 阻碍 there is a hiker who was encumber with the heavy pack
[03:34:00] obstract 阻碍，妨碍 some paper got in the sink and obstracted the drain
[03:45:00] foil what untimately foiled his vivtory is his character
[03:52:00] block 阻碍the tree blocked our view